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Related Experiment Video

Updated: Dec 11, 2025

Lens-free Video Microscopy for the Dynamic and Quantitative Analysis of Adherent Cell Culture

Lens-free Video Microscopy for the Dynamic and Quantitative Analysis of Adherent Cell Culture

Published on: February 23, 2018

Scale-free vertical tracking microscopy.

Deepak Krishnamurthy^1,2, Hongquan Li^2,3, François Benoit du Rey²

¹Department of Mechanical Engineering, Stanford University, Stanford, CA, USA.

|August 19, 2020

Summary

This summary is machine-generated.

Researchers developed a novel microscope to track freely moving plankton and cells. This technology enables studying microscale behaviors and ecological processes across large scales, offering new insights into marine and other biological systems.

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Published on: September 5, 2019

Area of Science:

Marine Biology
Microscopy
Biophysics

Background:

Oceanic ecological processes rely on the behavior of freely suspended organisms and sinking particles.
Studying these multiscale processes in a laboratory setting using traditional microscopy is challenging due to the need to track microscale movements over large vertical distances.

Purpose of the Study:

To develop a microscopy technique capable of tracking microscale behaviors of freely moving cells and organisms across ecologically relevant scales.
To enable quantitative behavioral assays by creating a controlled, dynamic environment for single cells.

Main Methods:

Introduction of a scale-free, vertical tracking microscope utilizing a 'hydrodynamic treadmill' that permits unhindered vertical motion.
Assembly of a multiscale behavioral dataset for nonadherent planktonic cells and organisms.
Development of a 'virtual-reality system for single cells' that links cell behavior to environmental parameters.

Main Results:

Successfully bridged spatial scales, enabling the collection of a comprehensive multiscale behavioral dataset.
Demonstrated a novel system where cell behavior directly influences its surrounding environment for precise behavioral assays.
Established a new paradigm for multiscale biological measurements at microscale resolution.

Conclusions:

The developed hydrodynamic treadmill microscope overcomes limitations of traditional microscopy for studying freely moving aquatic organisms.
The 'virtual-reality system for single cells' offers a powerful tool for quantitative behavioral analysis.
This technology opens new avenues for biological measurements of suspended cells and organisms beyond marine environments.